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Syndax Pharmaceuticals Inc

SNDX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001395937

In the last 90 days, Syndax Pharmaceuticals Inc insiders filed 0 open-market purchases and 1 sale; 242 institutions reported holding it in 13F filings for Q2 2026, worth $2.36B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Syndax Pharmaceuticals Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
1 filing
1 insider, $784.8K in total
Insiders trading
1
Net value
−$784.8K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Syndax Pharmaceuticals Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Syndax Pharmaceuticals Inc
NameTitleLast reported holdingLast filingFilings, past year
Metzger Michael AChief Executive Officer484,843Jul 9, 20264
Botwood Nicholas A.J.Head of R&D, CMO60,885Jun 12, 20262
Goldan Keith A.Chief Financial Officer139,252Jun 2, 20264
Podlesak DennisDirector239,763Feb 6, 20261
Katkin KeithDirector124,000Feb 6, 20261
Legault PierreDirector114,000Feb 6, 20261
Huber Martin H. Jr.Director103,000Feb 6, 20261
Jarrett JenniferDirector114,000Feb 6, 20261
Rizo AleksandraDirector49,000Feb 6, 20261
Gallagher NeilPresident, Head of R&D85,095Feb 12, 20250
Meury WilliamDirector90,000Feb 7, 20250
Morrison BriggsDirector34,836Feb 9, 20240
Ordentlich PeterChief Scientific Officer0Feb 17, 20230
Nolte AlexanderChief Accounting Officer0Feb 3, 20230
Madigan CatherineChief Medical Officer–Feb 3, 20230
Sabus Steve MChief Commercial Officer–Dec 5, 20220
Egros FabriceDirector32,000Feb 3, 20220
Meyers Michael L.SVP, Chief Medical Officer23,280Feb 3, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jul 18, 2025 (view filing)Jul 162 daysGoldan Keith A.Chief Financial OfficerSSale−1.30K$9.29−$12.0K−1.4%92.5K after
Aug 18, 2025 (view filing)Aug 14-184 daysPodlesak DennisDirectorSSale−57.6K$15.19−$874.9K−23.1%191.8K after3 lots10b5-1
Sep 8, 2025 (view filing)Sep 8Same dayMetzger Michael AChief Executive OfficerSSale−157.3K$16.41−$2.58M−34.5%298.7K after10b5-1
Feb 6, 2026 (view filing)Feb 6Same dayGoldan Keith A.Chief Financial OfficerSSale−2.08K$20.62−$42.9K−1.4%143.8K after
Feb 6, 2026 (view filing)Feb 6Same dayMetzger Michael AChief Executive OfficerSSale−7.41K$20.62−$152.8K−1.4%508.8K after
Feb 10, 2026 (view filing)Feb 91 dayGoldan Keith A.Chief Financial OfficerSSale−3.41K$21.03−$71.7K−2.4%140.4K after
Feb 10, 2026 (view filing)Feb 91 dayMetzger Michael AChief Executive OfficerSSale−17.2K$21.03−$360.9K−3.4%491.7K after
Jun 2, 2026 (view filing)Jun 11 dayMetzger Michael AChief Executive OfficerSSale−6.85K$18.99−$130.0K−1.4%484.8K after
Jun 2, 2026 (view filing)Jun 11 dayGoldan Keith A.Chief Financial OfficerSSale−1.18K$18.99−$22.4K−0.8%139.3K after
Jun 12, 2026 (view filing)Jun 11-121 dayBotwood Nicholas A.J.Head of R&D, CMOSSale−65.5K$18.07−$1.18M−51.8%60.9K after2 lots10b5-1
Jul 9, 2026 (view filing)4:54 PM ETJul 81 dayMetzger Michael AChief Executive OfficerSSale−32.4K$24.24−$784.8K−6.3%484.8K after10b5-1